How would you define a lipid? in what sense is the operational definition different from that of proteins, nucleic acids, or carbohydrates?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used

The body of water found at number 4 on the map above is the